The Microinstall is a set of classes that makes it easy to distribute your MIDlets. The end users could send your MIDlet to other people via Bluetooth, Ir, SMS or MMS.
btp2p stands for Bluetooth p2p and it is a collection of java classes for p2p networks over Bluetooth. Useful for CLDC multiplayer games and other applications with extendable design for layered protocols. HuNt is a chatroom midlet based on btp2p.